Connecting Using: sqlplus "/ as sysdba" Fails with ORA-12547 with Lower Ulimit Setting
(Doc ID 878375.1)
Last updated on AUGUST 07, 2023
Applies to:
Oracle Database Cloud Exadata Service - Version N/A and laterOracle Database Backup Service - Version N/A and later
Oracle Database Cloud Service - Version N/A and later
Oracle Database - Enterprise Edition - Version 8.1.7.0 and later
Oracle Database Cloud Schema Service - Version N/A and later
Oracle Solaris on SPARC (64-bit)
Sun Solaris SPARC (64-bit)
Symptoms
$sqlplus "/ as sysdba" fails with ORA-12547 .
You may have more than one database up and running under the same oracle home . When you try to bring up a database while connecting as "/ as sysdba" , the BEQ connection fails with ORA-12547 .
You might see significant delay after the sqlplus "/ as sysdba" is fired and before ORA/TNS-12547 occurs.
The problem still persists even after performing $relink all . No error/warning messages in the OS logs.
sqlnet client trace may show the following error stack :
Cause
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In this Document
| Symptoms |
| Cause |
| Solution |